/*---------------------------------------------------------------------------*
  Project:  NitroSDK - WM - demos - ball
  File:     ball.c

  Copyright 2003,2004 Nintendo.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Log: ball.c,v $
  Revision 1.1  2004/07/23 15:11:55  terui
  Made adjustments and new additions

  Revision 1.2  2004/06/23 10:01:30  Sato
  (none)

  $NoKeywords: $
 *---------------------------------------------------------------------------*/

#include <nitro.h>

#include "ball.h"

GXOamAttr  oamBak[ 128 ];
BallData ball[16];

static const char NumString[] = "0123456789ABCDEF";

void InitBall(u16 aid)
{
	ball[aid].x = (u16)(96 + (aid%4)*16);
	ball[aid].y = (u16)(68 + (aid/4)*16);
	ball[aid].col = 7;
}

void ChangeBallPalette(u16 aid, u8 pal)
{
	ball[aid].col = pal;
}

void ClearBallAll(void)
{
	u16 i;
	for (i=0;i<16;i++)	ClearBall(i);
}


void LocateBall(u16 aid, u16 x, u16 y)
{
	ball[aid].x = x;
	ball[aid].y = y;
}


void ClearBall(u16 aid)
{
	ball[aid].x = 256;
	ball[aid].y = 192;
}

void DispBall(void)
{
	int i;
	for (i=0;i<16;i++)
	{
		GXOamAttr *oam = &oamBak[ BALL_OBJNO + i ];

		oam->x = ball[i].x;
		oam->y = (u8)ball[i].y;
		G2_SetOBJAttr(
			(GXOamAttr*)oam,
			ball[i].x,
			ball[i].y,
			0,
			GX_OAM_MODE_NORMAL,
			FALSE,
			GX_OAM_EFFECT_NONE,
			GX_OAM_SHAPE_8x8,
			GX_OAM_COLOR_16,
			NumString[i],
			ball[i].col,
			0
		);
	}
}

//--------------------------------------------------------------------------------
//      Set OBJ
//
void ObjSet( int objNo, int x, int y, int charNo, int paletteNo )
{
    G2_SetOBJAttr(
        (GXOamAttr*)&oamBak[ objNo ],
        x,
        y,
        0,
        GX_OAM_MODE_NORMAL,
        FALSE,
        GX_OAM_EFFECT_NONE,
        GX_OAM_SHAPE_8x8,
        GX_OAM_COLOR_16,
        charNo,
        paletteNo,
        0 );
}

//--------------------------------------------------------------------------------
//      Set OBJ string
//
void ObjSetString( int startobjNo, int x, int y, char *string, int paletteNo )
{
	int i;
	for (i=0; string[i] != 0 ;i++)
	{
		ObjSet( startobjNo + i, x + i*8, y, (int)string[i], paletteNo );
	}
}

//--------------------------------------------------------------------------------
//      Clear OBJ
//
void ObjClear( int objNo )
{
	ObjSet( objNo, 256*8, 192*8, 0, 0 );
}

//--------------------------------------------------------------------------------
//      Clear OBJ (specify range)
//
void ObjClearRange( int start, int end )
{
	int i;
	for (i = start; i <= end; i++)
		ObjClear(i);
}

//--------------------------------------------------------------------------------
//      Set message
//
void ObjSetMessage(char* message)
{
	ObjSetString( MESSAGE_OBJNO,  4*8,  22*8, message, 7 );
}

/*---------------------------------------------------------------------------*
  End of file
 *---------------------------------------------------------------------------*/
